More than a hundred years have passed since the Earth was attacked by the vicious IRIDION forces. Legend tells of a single brave SHN Fighter pilot who found his way to destroy the evil IRIDION mainframe. After this glorious victory, all remaining enemy ships disappeared from known space. Humans began to colonize the planet systems of the IRIDION home galaxy. Peace and freedom came back to mankind. The IRIDION menace was history. Until